In 'ChronoChums: Who's There?', you take on the role of an unexpected time-traveler who discovers that you are not alone in the past or future. As you unravel the convoluted timelines of various historical figures—including famous inventors, revolutionaries, and everyday heroes—you must solve riddles and form alliances with these 'chums' to prevent a catastrophic disturbance in time. Each decision you make will ripple through history, so choose wisely! The game features a dynamic narrative that changes based on your interactions and choices, leading to multiple endings that will keep you coming back for more.